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AURORKA [14]
3 years ago
6

How often does an El Niño event occur

Biology
2 answers:
KATRIN_1 [288]3 years ago
7 0

Answer:

once every 3-4 years

Explanation:

irregularly at intervals of 2-7 years, although the average is about once every 3-4 years

Sergeu [11.5K]3 years ago
4 0

Answer:

Answer Below

Explanation:

It usually occurs every 3 to 5 years but can occur as low as every 2 years or as long as every 7 years.

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